lampvslavTell them apart

Which to use

“lamp” and “lav” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#6,586
“lamp” frequency rank
#48,859
“lav” frequency rank
55445
confusion score

Side-by-Side Comparison

Feature lamp lav
Definition A device that generates heat, light or other radiation. Especially an electric light bulb. Clipping of lavatory.

Where the eye mixes lamp and lav

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
lamp
3 ch
lav

Why the eye confuses lamp with lav

A purely visual mix-up. lamp (/ˈlæ̞mp/) and lav (/læv/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 55445, derived from the frequency rank of both members and their visual similarity.

lamp is recorded at frequency rank #6,586, classified as anoun, pronounced /ˈlæ̞mp/. lav is at rank #48,859, tagged as anoun, pronounced /læv/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 55445, this pair ranks #133,580 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of lamp vs lav

Shared letters: al. Private to "lamp": mp. Private to "lav": v.

"lamp" · 4 letters · shape CVCC  ·  "lav" · 3 letters · shape CVC

Known mistypes of this pair

  • lampalmp · lammp · lampp · lapm · llamp · lmap

Frequently Asked Questions

Is swapping "lamp" for "lav" ever safe?
No. They are said differently (/ˈlæ̞mp/ versus /læv/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "lamp" or "lav"?
"lamp" is the more common of the two: it sits at frequency rank #6,586 in our English list, against #48,859 for "lav". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "lamp" and "lav" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "lamp" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lav" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #133,580 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lamp" and "lav" also get mixed up with nearby pairs, the highest-scored neighbour is "lav vs LSC". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #133,580 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list